import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

public class Demo1 {
    public static void main(String[] args) throws SQLException {
        Scanner scanner = new Scanner(System.in);
        // 1.创建DataSource
        DataSource dataSource = new MysqlDataSource();
        ((MysqlDataSource)dataSource).setUrl("jdbc:mysql://127.0.0.1:3306/java109_5?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource)dataSource).setUser("root");
        ((MysqlDataSource)dataSource).setPassword("123456");
        // 2.建立连接
        Connection connection = dataSource.getConnection();
        // 3.构造sql
        System.out.println("请输入学号：");
        int id = scanner.nextInt();
        System.out.println("请输入姓名：");
        String name = scanner.next();
//        String sql = "insert into student values(" + id + ",  ' " + name + " ')";
//        String sql = "update student set name = 'wangwu' where id = 2";
        String sql = "insert into student values(?, ?)";
        PreparedStatement statement = connection.prepareStatement(sql);
        statement.setInt(1, id);
        statement.setString(2, name);
        // 4.发送sql给服务器
        int n = statement.executeUpdate();
        System.out.println("n = " + n);
        // 5.释放资源
        statement.close();
        connection.close();
    }
}
